"It is clear to me that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk." — Per Choo Han Teck J, Para 11
Case Information
- Citation: [2022] SGHC 163 (Para 0)
- Court: General Division of the High Court of the Republic of Singapore (Para 0)
- Date of hearing: 17 May 2022 (Para 0)
- Date of judgment: 12 July 2022 (Para 0)
- Coram: Choo Han Teck J (Para 0)
- Case number: District Court of Appeal No 53 of 2021 (Para 0)
- Area of law: Tort — Negligence — Medical Negligence — Informed Consent (Para 0)
- Counsel for the appellant: Edmund Kronenburg (Braddell Brothers LLP) (instructed), Lee Kwang Chian (Michael Hwang Chambers LLC) (Para 17)
- Counsel for the respondents: Lim Min (K&L Gates Straits Law) (instructed), Charles Lin Ming Khin (Charles Lin LLC) (Para 17)
Summary
This appeal arose from a medical negligence dispute concerning a left total knee replacement performed on 19 December 2013 at Mount Elizabeth Novena Hospital. The appellant, Mr Sheng Ling Huo, later alleged that the doctors failed to warn him of the risk of polyethylene liner displacement and that this omission should itself found liability. The High Court rejected that submission and upheld the trial judge’s factual finding that informed consent had been obtained. (Para 1, Para 6, Para 8)
"The trial judge found on the facts, no evidence of negligence against the defendants, and I agree fully with her." — Per Choo Han Teck J, Para 17
The court’s reasoning was anchored in the appellate standard of review and in the evidential record. Choo Han Teck J reiterated that an appellate court will not reverse findings of fact unless they are plainly wrong or against the weight of the evidence, and he found that Dr Bell’s evidence was corroborated by the medical notes and the consent form. The appellant’s own inability to remember what was said at the consultation also meant that the doctor’s evidence was not effectively challenged. (Para 8)
"An appellate court will not reverse the findings of fact made by the judge of first instance unless such findings are plainly wrong or against the weight of the evidence" — Per Choo Han Teck J, Para 8
The court also addressed the appellant’s reliance on Chester v Afshar. It held that Afshar does not represent the law in Singapore and that a failure to provide advice on a risk cannot, by itself, lead to culpability for the injury arising from that risk. On that basis, the appeal was dismissed with costs. (Para 8, Para 11, Para 17)
What were the key facts leading to the informed consent dispute?
Mr Sheng was 68 years old when he underwent a left total knee replacement on 19 December 2013 at Mount Elizabeth Novena Hospital. The judgment records that the surgery was followed by physiotherapy and that he was discharged uneventfully on 24 December 2013. The court’s narrative begins with these facts because they frame the later complaint about whether he had been properly warned of the risks associated with the procedure. (Para 1, Para 2)
"On 19 December 2013, when he was 68 years old, he had a total knee replacement of his left knee at the Mount Elizabeth Novena Hospital (“the Hospital”)." — Per Choo Han Teck J, Para 1
After discharge, Mr Sheng attended follow-up reviews. The judgment notes that he was seen on 27 December 2013 and again on 13 January 2014, and that the first record of a problem with the knee replacement did not appear until 27 May 2015. That chronology mattered because it showed that the alleged complication emerged long after the surgery and after an apparently uneventful immediate recovery. (Para 2, Para 6)
"After post-surgical physiotherapy, Mr Sheng was discharged uneventfully on 24 December 2013." — Per Choo Han Teck J, Para 2
The later medical investigation found that a scan on 7 July 2015 showed displacement of the polyethylene liner by 8mm. Dr Bell discussed the scan with Mr Sheng on 13 July 2015, and the judgment records that Mr Sheng declined revision surgery. The court treated this sequence as important background to the informed consent and negligence claims, because the alleged injury was the liner displacement discovered much later, not an immediate surgical mishap. (Para 6)
"The scan shows that the polyethylene liner had been displaced by 8mm." — Per Choo Han Teck J, Para 6
Why did the appellant say the doctors were liable for failing to warn him?
The appellant’s central submission was that the doctors had failed to inform him of the risk of dislodgement of the polyethylene liner, and that this omission should itself be enough to establish liability. Counsel for Mr Sheng relied on Chester v Afshar [2005] AC 134 to support the proposition that the failure to warn of a material risk could, in itself, found liability. The judgment records that this was the appellant’s attempt to convert a disclosure complaint into a standalone basis of liability. (Para 7)
"So far as the allegation of the defendant doctors’ failure to obtain informed consent from him is concerned, Mr Kronenburg, counsel for Mr Sheng, referred me to Chester v Afshar [2005] AC 134, in aid of his argument that the defendants’ failure to inform Mr Sheng of the risk of dislodgement of the polyethylene liner is, in itself, a sufficient ground to find liability." — Per Choo Han Teck J, Para 7
That argument necessarily depended on the proposition that causation could be treated differently in informed consent cases, such that the mere failure to warn would suffice without proof that the patient would have declined the procedure. The court did not accept that approach. Instead, it treated the appellant’s reliance on Afshar as misplaced in Singapore law and held that the factual finding of informed consent remained decisive. (Para 8, Para 11)
"Afshar does not represent the law in Singapore" — Per Choo Han Teck J, Para 8
The appellant’s position also had to overcome the trial judge’s factual findings. The High Court noted that the trial judge had dismissed both the informed consent claim and the negligence claim, and that the appellate court would only interfere if those findings were plainly wrong or against the weight of the evidence. Because the appellant could not remember what was said during the consultation, his challenge to the doctor’s evidence was weak. (Para 6, Para 8)
How did the court evaluate the evidence on informed consent?
The court’s analysis of informed consent was heavily evidential. Choo Han Teck J noted that Dr Bell’s evidence that he had advised Mr Sheng of the risk of implant failure was not challenged or disproved at trial, because Mr Sheng himself could not remember what had been said during the consultation. The court also relied on corroboration from the medical notes and the consent form. Those materials supported the trial judge’s conclusion that the patient had been adequately informed. (Para 8)
"On the facts, the evidence of Dr Bell that he had advised Mr Sheng of the risk of implant failure was not challenged or disproved at trial because on his own evidence, Mr Sheng could not remember what was told to him in his consultation with Dr Bell." — Per Choo Han Teck J, Para 8
The judgment further states that Dr Bell’s evidence was corroborated by the medical notes and the consent form. That corroboration mattered because it meant the trial judge’s finding was not based on a bare assertion by one witness, but on documentary support consistent with the doctor’s account. In appellate terms, that made it difficult for the appellant to show that the finding was plainly wrong. (Para 8)
"And Dr Bell’s evidence is corroborated by the medical notes and the consent form." — Per Choo Han Teck J, Para 8
The court therefore treated the informed consent issue as a factual dispute resolved against the appellant at trial. The High Court did not re-try the evidence; instead, it asked whether the trial judge’s conclusion could be said to be plainly wrong. It answered that question in the negative and upheld the finding. (Para 8)
What standard of appellate review did the High Court apply?
The court expressly invoked the orthodox appellate restraint applicable to findings of fact. It quoted the proposition that an appellate court will not reverse the findings of fact made by the judge of first instance unless those findings are plainly wrong or against the weight of the evidence. That standard was central because the appellant’s case depended on persuading the High Court to disturb factual findings about what was said during the consultation and whether consent was informed. (Para 8)
"An appellate court will not reverse the findings of fact made by the judge of first instance unless such findings are plainly wrong or against the weight of the evidence" — Per Choo Han Teck J, Para 8
Applying that standard, the court held that the trial judge’s finding could not be said to be plainly wrong or against the weight of the evidence. The combination of Dr Bell’s evidence, the medical notes, and the consent form supported the conclusion that informed consent had been obtained. The appellant’s inability to recall the consultation meant there was no effective evidential basis to displace that finding. (Para 8)
"For these reasons, I am of the view that learned DJ’s finding cannot be said to be plainly wrong or against the weight of the evidence." — Per Choo Han Teck J, Para 8
This approach also explains why the court did not embark on a broad reconsideration of the medical evidence. The appeal was not treated as an opportunity to revisit the entire factual matrix de novo. Rather, the High Court confined itself to the appellate question: whether the trial judge’s factual conclusions were sustainable on the record. It concluded that they were. (Para 8)
Why did the court reject Chester v Afshar as a basis for liability?
The court’s treatment of Chester v Afshar was decisive. The appellant relied on that case to argue that failure to warn of the risk of dislodgement of the polyethylene liner was itself sufficient to establish liability. Choo Han Teck J rejected that proposition and stated that Afshar does not represent the law in Singapore. He also said that it was unnecessary to address the appellant’s causation arguments further once that point was made. (Para 7, Para 8)
"And it is not necessary for me to address Mr Kronenburg’s arguments relating to causation, save to say that Afshar does not represent the law in Singapore" — Per Choo Han Teck J, Para 8
The court’s reasoning was not merely that Afshar was distinguishable on its facts, but that the legal proposition advanced from it was not accepted in Singapore. The judgment cites Tong Seok May Joanne v Yau Hok Man Gordan and D’Conceicao Jeanie Doris v Tong Ming Chuan as authorities for the proposition that Afshar does not represent Singapore law. That meant the appellant could not rely on a standalone disclosure-based causation rule to bypass the ordinary requirements of negligence and causation. (Para 8)
"Afshar does not represent the law in Singapore (Tong Seok May Joanne v Yau Hok Man Gordan [2013] 2 SLR 18; D’Conceicao Jeanie Doris (administratrix of the estate of Milakov Steven, deceased) v Tong Ming Chuan [2011] SGHC 193)." — Per Choo Han Teck J, Para 8
The court also made a broader doctrinal point: a failure to provide advice on a risk cannot, by itself, lead to culpability for the injury arising from that risk. That statement is the judgment’s clearest articulation of the ratio. It means that liability cannot be imposed simply because a risk materialised after a warning was allegedly omitted; the court must still examine the factual and legal context, including whether consent was in fact informed and whether negligence is otherwise established. (Para 11)
"It is clear to me that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk." — Per Choo Han Teck J, Para 11
How did the court deal with the negligence claim apart from informed consent?
Although the appeal was argued largely through the lens of informed consent, the judgment also records that the trial judge had dismissed the negligence claim. The High Court agreed with that outcome and stated plainly that there was no evidence of negligence against the defendants. This was not a separate, elaborate negligence analysis in the judgment; rather, it was a confirmation that the factual record did not support liability on any negligence theory advanced by the appellant. (Para 6, Para 17)
"He sued for failure to obtain consent, a claim that was dismissed by the trial judge. The trial judge also dismissed Mr Sheng’s claim in negligence." — Per Choo Han Teck J, Para 6
The court’s conclusion on negligence was tied to its acceptance of the trial judge’s factual findings. If the doctors had in fact advised the patient of the relevant risk and if the documentary evidence supported that account, then the negligence claim premised on non-disclosure necessarily failed. The court therefore did not identify any independent negligent act or omission that would survive the informed consent finding. (Para 8, Para 17)
"The trial judge found on the facts, no evidence of negligence against the defendants, and I agree fully with her." — Per Choo Han Teck J, Para 17
In practical terms, the negligence claim fell with the informed consent claim. The judgment does not suggest that there was any separate breach in the surgical procedure itself, nor any evidential basis for a broader professional negligence case. The court’s dismissal of the appeal therefore rested on both the absence of a factual foundation for non-disclosure and the absence of any proven negligence. (Para 6, Para 17)
What role did the medical records and the private investigator’s evidence play?
The medical records played a corroborative role in the court’s reasoning. The judgment specifically notes that Dr Bell’s evidence was corroborated by the medical notes and the consent form. That documentary support was important because it reinforced the trial judge’s acceptance of the doctor’s account and weakened the appellant’s attempt to recast the consultation as one in which no warning had been given. (Para 8)
"And Dr Bell’s evidence is corroborated by the medical notes and the consent form." — Per Choo Han Teck J, Para 8
The court also referred to the evidence of the defendants’ private investigator, Mr Gilbert De Siva. The appellant’s counsel declined to challenge him, and his affidavit stated that he observed Mr Sheng for seven days and saw him walking and climbing “with remarkable use of both legs…over long distances.” The judgment uses this evidence to show that the appellant did not effectively contest all of the defendants’ evidence and that the factual matrix did not support the broader picture of incapacity or severe impairment that might have assisted his case. (Para 13)
"His counsel also declined to challenge the defendants’ private investigator Mr Gilbert De Siva, who filed an affidavit stating that he observed Mr Sheng for seven days from 19 April 2016 to 2 May 2016, and saw him walking and climbing “with remarkable use of both legs…over long distances”." — Per Choo Han Teck J, Para 13
Although the private investigator’s evidence was not the core basis of the legal holding, it formed part of the overall evidential picture before the court. The judgment’s reference to that affidavit underscores that the appellant’s case was not strengthened by the surrounding factual record. Instead, the record as a whole supported the respondents’ position and the trial judge’s findings. (Para 13, Para 17)
What did the High Court say about causation in this case?
Causation was raised by the appellant through the Chester v Afshar argument, but the High Court declined to engage in a detailed causation analysis because it considered the premise of that argument unsound in Singapore law. Once the court held that Afshar does not represent the law in Singapore, the appellant’s attempt to treat non-disclosure as automatically sufficient to establish liability could not succeed. (Para 7, Para 8)
"And it is not necessary for me to address Mr Kronenburg’s arguments relating to causation, save to say that Afshar does not represent the law in Singapore" — Per Choo Han Teck J, Para 8
The court’s statement that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk is also a causation statement in substance. It means that the mere occurrence of the risk does not complete the legal chain. There must still be a proper basis for liability, and the court found none because the factual finding of informed consent stood and the appellant’s legal theory was not accepted. (Para 11)
"It is clear to me that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk." — Per Choo Han Teck J, Para 11
Accordingly, the court did not need to decide whether the appellant would have proceeded with surgery even if warned, or whether any different decision would have altered the outcome. Those questions were overtaken by the court’s rejection of the Afshar-based submission and by its acceptance of the trial judge’s factual findings. (Para 8, Para 11)
What was the final outcome of the appeal?
The appeal was dismissed in emphatic terms. Choo Han Teck J described it as “entirely without merits” and ordered costs to be taxed if not agreed. The judgment also records that the trial judge’s findings were accepted in full, both on informed consent and on negligence. (Para 17)
"This appeal is entirely without merits and is therefore dismissed with costs to be taxed if not agreed." — Per Choo Han Teck J, Para 17
The final disposition confirms that the appellant obtained no relief on appeal. The court’s order on costs reflects its view that the appeal lacked merit, and the absence of any separate concurring or dissenting opinion indicates a single, straightforward judgment by Choo Han Teck J. (Para 17)
"- Sgd - Choo Han Teck Judge of the High Court" — Per Choo Han Teck J, Para 17
In practical terms, the respondents succeeded in preserving the trial outcome entirely. The High Court did not disturb the dismissal of the informed consent claim or the negligence claim, and it did not accept the appellant’s attempt to import a Chester v Afshar-style rule into Singapore law. (Para 8, Para 17)
Why Does This Case Matter?
This case matters because it draws a clear boundary around informed consent litigation in Singapore. The court rejected the proposition that a doctor’s failure to warn of a risk automatically creates liability once that risk materialises. Instead, it reaffirmed that liability depends on the evidence, the factual findings at trial, and the ordinary principles governing negligence and causation. (Para 8, Para 11)
For practitioners, the case is a reminder that appellate challenges to factual findings face a high threshold. Where the trial judge has accepted a doctor’s evidence, and that evidence is supported by medical notes and a consent form, an appellant will struggle to show that the finding is plainly wrong or against the weight of the evidence. The judgment therefore reinforces the importance of contemporaneous documentation in medical consent disputes. (Para 8)
The case also clarifies that Chester v Afshar is not part of Singapore law. That is significant because it prevents litigants from arguing that non-disclosure alone is enough to establish liability without the usual proof structure. In that sense, the decision preserves a more orthodox negligence framework and limits the expansion of informed consent claims into strict liability by another name. (Para 8, Para 11)
Cases Referred To
| Case Name | Citation | How Used | Key Proposition |
|---|---|---|---|
| Chester v Afshar | [2005] AC 134 | Cited by the appellant to argue that failure to warn of the risk of dislodgement of the polyethylene liner was itself sufficient to establish liability. | Invoked for the proposition that non-disclosure could found liability without the usual causation analysis, but the High Court rejected that approach. (Para 7, Para 8) |
| Chappel v Hart | (1998) 195 CLR 232 | Referred to in the discussion surrounding Afshar. | Used in the broader common-law discussion of liability for failure to warn. (Para 8) |
| Alagappa Subramanian v Chidambaram s/o Alagappa | [2003] SGCA 20 | Cited on the appellate standard of review for findings of fact. | An appellate court will not reverse findings of fact unless they are plainly wrong or against the weight of the evidence. (Para 8) |
| Tong Seok May Joanne v Yau Hok Man Gordan | [2013] 2 SLR 18 | Cited to support the proposition that Afshar does not represent Singapore law. | Singapore does not adopt the Afshar approach to causation in informed consent cases. (Para 8) |
| D’Conceicao Jeanie Doris (administratrix of the estate of Milakov Steven, deceased) v Tong Ming Chuan | [2011] SGHC 193 | Cited alongside Tong Seok May Joanne as authority rejecting Afshar as Singapore law. | Afshar is not part of Singapore law. (Para 8) |
Source Documents
This article analyses [2022] SGHC 163 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the full judgment for the Court's complete reasoning.